实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<body>
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<button onclick="myFunction('myList1','myList2')">Compare List 1 and 2</button>
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<button onclick="myFunction('myList1','myList3')">Compare List 1 and 3</button>
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​
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<p id="demo">Click the buttons to compare the <em>first item</em> in two of the lists.</p>
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​
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List 1:
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<ul id="myList1"><li>Water</li><li>Milk</li></ul>
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List 2:
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<ul id="myList2"><li>Coffee</li><li>Tea</li></ul>
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List 3:
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<ul id="myList3"><li>Water</li><li>Fire</li></ul>
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​
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<script>
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function myFunction(x,y)
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{
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var item1=document.getElementById(x).firstChild;
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var item2=document.getElementById(y).firstChild;
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var x=document.getElementById("demo");
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x.innerHTML=item1.isEqualNode(item2);
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}
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</script>
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​
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<p><strong>Note:</strong> Internet Explorer 8 and earlier does not support the isEqualNode method.</p>
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​
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</body>
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</html>